40046653 has 4 divisors (see below), whose sum is σ = 40062460. Its totient is φ = 40030848.

The previous prime is 40046603. The next prime is 40046681. The reversal of 40046653 is 35664004.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 17749369 + 22297284 = 4213^2 + 4722^2 .

It is a cyclic number.

It is not a de Polignac number, because 40046653 - 2²¹ = 37949501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40046603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3150 + ... + 9487.

It is an arithmetic number, because the mean of its divisors is an integer number (10015615).

Almost surely, 2^40046653 is an apocalyptic number.

It is an amenable number.

40046653 is a deficient number, since it is larger than the sum of its proper divisors (15807).

40046653 is a wasteful number, since it uses less digits than its factorization.

40046653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15806.

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 40046653 is about 6328.2424890328. The cubic root of 40046653 is about 342.1280968573.

The spelling of 40046653 in words is "forty million, forty-six thousand, six hundred fifty-three".